Topstek Current Transducer TKDD3A .. TKDD40A TKDD 3A~40A Applications Features iHighly reliable Hall Effect device iCompact and light weight iFast response time iExcellent linearity of the output voltage over a wide input range iExcellent frequency response (> 50 kHz) iLow power consumption (20 mA nominal) iCapable of measuring both DC and AC, both pulsed and mixed iHigh isolation voltage between the measuring circuit and the current-carrying conductor (AC2.5KV) iExtended operating temperature range iFlame-Retardant plastic case and silicone encapsulate, using UL classified materials, ensures protection against environmental contaminants and vibration over a wide temperature and humidity range iUPS systems iIndustrial robots iNC tooling machines iElevator controllers iProcess control devices iAC and DC servo systems iMotor speed controller iElectrical vehicle controllers iInverter-controlled welding machines iGeneral and special purpose inverters iPower supply for laser processing machines iController for traction equipment e.g. electric trains iOther automatic control systems Specifications Parameter Symbol Unit TKDD3A-B12 .. TKDD40A-B12 TKDD3A .. TKDD40A Nominal Input Current Ifn A DC Linear Range Ifs A DC Nominal Output Voltage Vhn V 4 V±1% at If=Ifn ( RL=10k) Offset Voltage Vos mV Within ±40 mV @ If=0, Ta=25°C Output Resistance ROUT <100 Hysteresis Error Voh mV Within ±25 mV @ If=Ifn0 Supply Voltage VCC/VEE V Linearity % Within ±1% of Ifn Consumption Current ICC mA ±20 mA nominal, ±30 mA max Response Time (90%Vhn) Tr Psec Frequency bandwidth (-3dB) fBW Hz DC to 50kHz Thermal Drift of Output - %/°C Within ±0.1 %/°C @ Ifn Thermal Drift of Zero Current Offset - mV/°C Dielectric Strength - V AC2.5KV X 60 sec Isolation Resistance @ 1000 VDC RIS M >1000 M Operating Temperature Ta °C -15°C to 80°C Storage Temperature Ts °C -20°C to 85°C Mass W g 15 g 3 .. 40 ±7.2 .. ±96 = 2.4x Ifn ±9 .. ±120 = 3x Ifn ±12V ±5% ±15V ±5% 5 Psec max. Within - 67 www.topstek.com @ d If /dt = Ifn / Psec ±1.5 mV/°C @ Ifn TKDD V080201 7/1/2008 Topstek Current Transducer TKDD3A .. TKDD40A Appearance, dimensions and pin identification All dimensions in mm ±0.2, holes –0, +0.2 except otherwise noted. s 3ULPDU\[ Gs 6HFRQGDU\SLQV[[ Pin Assignment +VCC -VEE Output 1 Output 2 GND + Input 1 - Input 1 + Input 2 [3 ; - Input 2 Bottom View Primary Current Input Pin Diameter 1-3A 4-8A 9-15A 16-40A d(mm) 0.6 0.8 1.2 1.4 - 68 www.topstek.com TKDD V080201 7/1/2008